cryptodef | 3c5eb567d3b2abebec4faa7f0e3afca0fac6165615b834fb98000452f417d5ed

Analysis

max time kernel
149s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/07/2026, 05:00

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General

Target
2026-07-22_e8fe223f5b1a1cd827d81570d3f31158_elex_wannacry.exe
Size 54KB
Sample260722-fnbcdsdl4x
SHA256 3c5eb567d3b2abebec4faa7f0e3afca0fac6165615b834fb98000452f417d5ed
MD5 e8fe223f5b1a1cd827d81570d3f31158
SHA1 c7645a4f6aaa8943dd6eda0688a07b493fc19e10
SHA512 10e60320bf03faaae5f44ab566a2baf00842fa2e56801da9cb29659ad2509d2bb0a63d8914c3319f7b8bbdf6beb72a762eb30d9d92b0e28f1052237acf012da5
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrf:fETVqhp8AvGBFswzLKiWmd
TLSH
T1C2434438AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery cryptodef trojan

Malware Config

Signatures

Family: CryptoDef
CryptoDef is a Windows trojan written in C.
trojan cryptodef

Detects CryptoDef 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000019ce0-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5348	eilgx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-22_e8fe223f5b1a1cd827d81570d3f31158_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eilgx.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 5348	2548	2026-07-22_e8fe223f5b1a1cd827d81570d3f31158_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-22_e8fe223f5b1a1cd827d81570d3f31158_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-22_e8fe223f5b1a1cd827d81570d3f31158_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\eilgx.exe
  "C:\Users\Admin\AppData\Local\Temp\eilgx.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5348

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

eilgx.exe

Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
Size 54KB
SHA256 51594d79fb89fb62605f620f0c46e5a785637791bea425b6acf6df5663fbb984
MD5 5dd8a74ba1f0dd9312a3145929099a2a
SHA1 22053177add88ec29a5a71ba45852835a38ef9d5
SHA512 c228d3ccf22ea73a6177fee95eb41533187c6f1dbd548f65addc3e364ff36d8a9b04bec7a0de38d8b9d1bd5140bb0c805f536d9d2247e23986646372500ed3c0
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrH:fETVqhp8AvGBFswzLKiWml
TLSH
T16E434438AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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